*Something from Jenny Sparks' past comes screaming into 1999! It arrives on plumes of fire: something that was supposed to have died fifty years ago, in a hyper-bacterial hell, something that, nearly a hundred years ago, was Jenny Sparks' first "case" as a superhuman adventurer. Now Jenny and the Authority must face this deadlier-than-ever menace and, this time, she's playing for keeps. *Source: dccomics.com